CN103762520A - Electric mobile platform for bypass work of 10 KV distribution line - Google Patents
Electric mobile platform for bypass work of 10 KV distribution line Download PDFInfo
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- CN103762520A CN103762520A CN201410059319.1A CN201410059319A CN103762520A CN 103762520 A CN103762520 A CN 103762520A CN 201410059319 A CN201410059319 A CN 201410059319A CN 103762520 A CN103762520 A CN 103762520A
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Abstract
The invention discloses an electric mobile platform for bypass work of a 10 KV distribution line. The electric mobile platform for the bypass work of the 10 KV distribution line comprises a platform trailer, a cable reel assembly fixed to the platform trailer and a lifting platform. The cable reel assembly comprises cable reels and a support used for fixing the cable reels. The cable reels are assembled and disassembled with the support in a modularized mode. The lifting platform comprises a lifting frame and a supporting platform, wherein a load switch is fixed to the upper end of the supporting platform. The lifting frame is connected with an oil cylinder, and the oil cylinder is controlled to act to drive the lifting frame to ascend and descend so that the supporting platform can ascend and descend. The supporting platform is further provided with a corresponding bearing structure enabling the load switch to be safely placed when the load switch is in a working state or a non-working state. The integrated and mobile design idea which is convenient to carry out is adopted, devices such as the bypass load switch and a flexible cable are integrated on a mobile platform which has the lifting function, when the electric mobile platform needs to be used, rush-repair tools are used for dragging the electric mobile platform to a construction site to work, resources are effectively saved, and the application range of the bypass work is enlarged.
Description
Technical field
The present invention relates to a kind of power transmission lines overhauling job platform, job platform is built in the bypass that is specifically related to a kind of 10kV line maintenance.
Background technology
By bypass operation system, open that 10kV distribution line does not have a power failure or the principle of power failure operation is simple, safe and reliable in short-term, by the first-class equipment of bypass load-switch, flexible cable, fast terminal and indirect, can interim supply line of fast construction, under repair apparatus power down mode, carry out all kinds of upkeep operations, can guarantee each branch road user's normal electricity consumption, and guarantee the person and device security, improved power supply reliability.But there is following defect in current operating system: (1) operating environment is limited.The problems such as distribution bypass operation system ubiquity working truck is many at present, equipment is huge, moving switch is heavy, the vehicular bypass operation system of current extensive use of take is example, this system is all integrated into the implements such as bypass load-switch, flexible cable in the vehicles such as bypass type moving load switch car, bypass cable car, when needs carry out operation, vehicle need be left for to operation field, utilize the equipment fast construction bypath systems such as bypass cable car, load-switch automobile, until operation completes.Yet urban power distribution network is often in that space is crowded, the location of street canyon, does not conventionally possess the condition of carrying out bypass operation, the environment of bypass operation is limited.(2) security protection difficulty., there is the shortcomings such as management difficulty is large, potential safety hazard is many in the protection difficulty of operation field to equipment such as on-load switch, cable joints.
Summary of the invention
The integrated mobile platform that the object of the present invention is to provide a kind of bypass that is equivalent to temporarily to power, effectively economizes on resources, and expands the scope of application of bypass operation.
This electric moving moving platform for 10 KV distribution circuit bypass operations disclosed by the invention, comprises platform trailer and the cable hank assembly and the lifting platform that are fixed thereon, and the top of lifting platform is the support platform of firm demand switch.
Described lifting platform also comprises the crane that is connected in described support platform downside scissor-type, the longitudinal center position of described platform trailer upper flat plate is fixed in the lower end of crane by base, lower end one side of crane is connected with pulley, on base, have corresponding chute, pulley can be free to slide in chute.
Described crane is by oil cylinder as dynamical element, and the upper end of oil cylinder is fixed on crane, and lower end is fixed on described base.
On described base, there is travel switch spacing when crane is drawn in.
Described support platform comprises that level is fixed on the supporting bracket of described crane upper end; the upper surface of supporting bracket is useful on the soft supporting pad of protection on-load switch; one end of supporting bracket is connected with backing plate; on backing plate, broad ways is fixed with rotatable rotating shaft by bearing; in rotating shaft, be hinged with the bedplate for firm demand switch; the back-up block when outside of rotating shaft has on-load switch upright on backing plate; fastening bolt and limited post while having on-load switch upright on bedplate, the fastening bolt while having on-load switch horizontal positioned in supporting bracket.
Described cable hank assembly has two groups, their be placed in longitudinal both sides of platform trailer upper flat plate; Every group of cable hank assembly comprises three cable hanks and fixes their support, on the disk of cable hank both sides, there is overhanging vertically connecting axle, flexible cable is around on the connecting rod between two disks, connecting axle has bearing and corresponding bearing pedestal outward, and the both sides of bearing pedestal are relevant for connecting axisymmetric connecting hole; There is the fixed head corresponding with bearing pedestal the upper end of support, on fixed head, there are the screw rod corresponding with connecting hole position or through hole, screw rod is through connecting hole, then by corresponding T-shaped nut, be fastenedly connected, or the through hole on bearing pedestal on connecting hole and bracket fixing plate is fixed by latch, the lower end of support and the upper flat plate of described platform trailer are detachably fixing.。
The side of described support is connected with the internal thread sleeve pipe perpendicular to described cable hank, and supporting in internal thread sleeve pipe have a corresponding snap close bolt, to realize the lock function to cable hank.
The inner side of described disk is connected with for placing the cutting ferrule of flexible cable and on-load switch connection end.
Described platform trailer also comprises the vehicle frame that is connected in described dull and stereotyped downside, two groups of wheels that connect by load-bearing axle before and after the downside of vehicle frame is connected with, front load-bearing axle two ends between two front-wheels are fixed by bearing and vehicle frame, the two ends symmetry of this load-bearing axle is hinged with steering component, place, centre position free drawbar; Steering component comprises that outer end is connected with front-wheel, the inner steering spindle being connected with front load-bearing axle, and the sidewall of steering spindle stretches out joint backward, between the end of joint and the rear end of draw bar, is connected with steering linkage.
On described vehicle frame, be fixed with hydraulic pump and be the storage battery of its power supply.
The present invention is placed in on-load switch and the flexible cable of building bypass needs on same liftable mobile platform, by oil cylinder, control rising and the decline of crane, can form sufficiently high safe distance, can effectively solve on-load switch security protection problem, crane takes up room little while drawing in, be convenient to carrying and storage.The method of setting up at present on-load switch mainly comprises on-load switch is suspended from electric pole, or use bypass load-switch automobile, the former because of on-load switch compared with heavy waste time and energy, operate inconvenience, and because of safe altitude inadequate, need carry out complicated safety prevention measure to on-load switch, and the latter is owing to depending on vehicle, higher to operation field space requirement.This mobile platform can rise to on-load switch the height of safe enough by remote control, and simple operation is time saving and energy saving, and without it is taked to security protection.
Safe displacement structure when this mobile platform is provided with corresponding on-load switch operating state and during non operating state.During on-load switch work, in erectility, in the support platform of crane upper end, be provided with the bracing frame being formed by rotating shaft, bedplate and supporting pad, fastening bolt, to guarantee the firm of on-load switch.When on-load switch is during in non operating state, by rotating shaft, on-load switch is put to supporting bracket, simultaneously fastening by soft supporting pad and fastening bolt.
For safety features, in the mounting seat of crane bottom, be provided with travel switch as automatic protection blocking device.When crane drops to certain altitude, this locking device can trigger protection signal, and this signal makes oil cylinder stop immediately contractive action, prevents from decline process, because staff does not observe position, causing the excessive gathering of crane, causes the problem of device damage.
Cable hank assembly is realized modularization assembling, easy accessibility.Each cable hank is independently installed on support, fixes respectively by T-shaped nut or latch and support, need not can complete being fixedly connected with between cable hank and support by external tool.While not using, each cable hank can be pulled down from support efficiently, be deposited in qualified storehouse.Support is fixed by bolt and platform trailer, and dismounting is also very convenient.Improve fail safe and save parking space.
Employing steering trapezium structure is controlled in turning to of platform trailer, using draw bar as steering operation bar.Draw bar is equivalent to pitman arm, its bilateral symmetry is connected with steering spindle and steering linkage, when the place ahead tows the vehicle changing Lane of mobile platform or turns, the force direction that is subject to of draw bar changes, moment rotates, this moment is passed to front-wheel steer axle by left and right steering linkage, completes the go to action of vehicle.
A lot of events in operation only need to be built small-sized bypass, do not need large-scale cloth cable car that a large amount of flexible cables are provided.As from the interim power taking of overhead transmission line to ring main unit supply project, required cable only has tens meters, in this case, the present invention completes bypass operation with regard to main equipments such as alternative cloth cable cars, can greatly increase flexibility, the cost that uses manpower and material resources sparingly, increases work efficiency.Integration Design of the present invention overcome prior art because working truck is many, equipment is huge can not adapt to that urban power distribution network space is crowded, the construction operation environment of street canyon.
In sum, that the present invention adopts is integrated, the mentality of designing of mobile, facilitation, by integration of equipments such as bypass load-switch, flexible cables in having on the mobile platform of elevating function, when needs are used, utilize the drag and drop of repairing Work tool can start working to job site, effectively economize on resources, expand the scope of application of bypass operation.
Accompanying drawing explanation
Fig. 1 is that master of the present invention looks schematic diagram.
Fig. 2 is Fig. 1 perspective view of the present invention.
Fig. 3 is that A in Fig. 1 is to structural representation.
Fig. 4 is the structural representation of cable hank assembly in Fig. 1.
Fig. 5 is the main TV structure schematic diagram of hoistable platform in Fig. 1.
Fig. 6 is the perspective view of hoistable platform in Fig. 1.
Embodiment
As shown in Figures 1 to 6, this electric moving moving platform for 10 KV distribution circuit bypass operations disclosed by the invention, comprises platform trailer 1, cable hank assembly 2 and lifting platform 3.Cable hank assembly 2 comprises the support 22 of cable hank 21 and attached cable dish 21, support 22 is fixed on flat board 11 upper surfaces of platform trailer 1, lifting platform 3 comprises crane 31 and the support platform 32 that is fixed thereon end, and on-load switch 4 is fixed in this support platform 32.
Platform trailer 1 also comprises the vehicle frame 12 that is connected in dull and stereotyped 11 downsides, two groups of wheels that connect by load-bearing axle before and after the downside of vehicle frame 12 is connected with, front load-bearing axle 14 two ends between two front-wheels 13 are fixing by bearing and vehicle frame 12, the two ends symmetry of this load-bearing axle is hinged with steering component, place, centre position free drawbar 16; Steering component comprises that outer end is connected with front-wheel 13, the inner steering spindle 17 being connected with front load-bearing axle 14, and the sidewall of steering spindle 17 stretches out joint 171 backward, between the end of joint 171 and the rear end of draw bar 16, is connected with steering linkage 18.On vehicle frame 12, be fixed with hydraulic pump 15 and be the storage battery 19 of its power supply.
Crane 31 is scissors type elevating frame, and dull and stereotyped 11 longitudinal center position is fixed in its lower end by base 33, and lower end one side of crane 31 is connected with pulley 311, has corresponding chute 331 on base 33, and pulley 311 can be free to slide in chute 331.Crane 31 is by oil cylinder 34 as dynamical element, and the upper end of oil cylinder 34 is fixed on crane 31, and lower end is fixed on base 33.On base 33, there is travel switch 35 spacing when crane 31 is drawn in.Support platform 32 comprises that level is fixed on the supporting bracket 321 of crane 31 upper ends, the upper surface of supporting bracket 321 is useful on the soft supporting pad 322 of protection on-load switch 4, one end of supporting bracket 321 is connected with backing plate 323, on backing plate 323, broad ways is fixed with rotatable rotating shaft 325 by bearing 324, in rotating shaft 325, be hinged with the bedplate 326 for firm demand switch 4, back-up block 327 when the outside of rotating shaft 325 has on-load switch 4 upright on backing plate 323, fastening bolt 328 and limited post 329 while having on-load switch 4 upright on bedplate 326, fastening bolt 328 while having on-load switch 4 horizontal positioned in supporting bracket 321.
On the fixed head 221 of support 22 upper ends, can also process through hole corresponding with the connecting hole on bearing pedestal 214, by latch, fix between the two.
Operation principle of the present invention is as follows:
On-load switch 4 and the flexible cable of building bypass needs are placed on same liftable mobile platform, by oil cylinder 34, control rising and the decline of crane 31, can form sufficiently high safe distance, can effectively solve the security protection problem of on-load switch 4, crane 31 takes up room little while drawing in, be convenient to carrying and storage.Safe displacement structure when support platform 32 is provided with corresponding on-load switch 4 operating state and during non operating state.During on-load switch 4 work, in erectility, in the support platform 32 of crane 31 upper ends, be provided with the bracing frame being formed by rotating shaft 325, bedplate 326 and back-up block 327, fastening bolt 328, to guarantee the firm of on-load switch 4.When on-load switch 4 is during in non operating state, by rotating shaft 325, on-load switch 4 is put to supporting bracket 321, simultaneously fastening by soft supporting pad 322 and fastening bolt 328.
The lifting of crane 31 adopts hydraulic driving mode, by storage battery 19, gives hydraulic pump 15 power supplies, and day mouth that goes out of hydraulic pump 15 is communicated with oil cylinder 34 and fuel tank by oil pipe respectively, drives rising or the decline of crane 31 by the piston rod of oil cylinder 34.The start and stop of hydraulic pump 15 can adopt the remote controller of power protection key to control, and storage battery 19 completes once charging, can carry out repeatedly bypass operation, without external power supply, to its powered operation, reduce the operations such as field connection, simple to operation.
For safety features, in the mounting seat 33 of crane 31 bottoms, be provided with travel switch 35 as automatic protection blocking device.When crane 31 drops to certain altitude; this locking device can trigger protection signal, and this signal makes oil cylinder 34 stop immediately contractive action, prevents from not observing position in decline process because of staff; cause the excessive gathering of crane 31, cause the problem of device damage.
Employing steering trapezium structure is controlled in turning to of platform trailer 1, using draw bar 16 as steering operation bar.Draw bar 16 is equivalent to pitman arm, its bilateral symmetry is connected with steering spindle 17 and steering linkage 18, when the place ahead tows the vehicle changing Lane of mobile platform or turns, the force direction that is subject to of draw bar 16 changes, moment rotates, this moment is passed to by the steering linkage 18 of left and right side the steering spindle 17 that front-wheel 13 connects, and completes the go to action of mobile platform.
During use, only need build on-load switch that bypass needs and the mobile platform of flexible cable tows to correct position by integrated, combination switch is arranged on to erectility, then by remote control, makes hydraulic oil cylinder driving support platform rise to the height needing and can start power operation.Use rear control crane decline and draw in, on-load switch is set to level, and cable hank is pulled down and is stored in storehouse from support separately.
Claims (10)
1. the electric moving moving platform for 10 KV distribution circuit bypass operations, it is characterized in that: this mobile platform comprises platform trailer and the cable hank assembly and the lifting platform that are fixed thereon, and the top of lifting platform is the support platform of firm demand switch.
2. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 1, it is characterized in that: described lifting platform also comprises the crane that is connected in described support platform downside scissor-type, the longitudinal center position of described platform trailer upper flat plate is fixed in the lower end of crane by base, lower end one side of crane is connected with pulley, on base, have corresponding chute, pulley can be free to slide in chute.
3. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 2, is characterized in that: described crane is by oil cylinder as dynamical element, and the upper end of oil cylinder is fixed on crane, and lower end is fixed on described base.
4. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 2, is characterized in that: on described base, have travel switch spacing when crane is drawn in.
5. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 2, it is characterized in that: described support platform comprises that level is fixed on the supporting bracket of described crane upper end, the upper surface of supporting bracket is useful on the soft supporting pad of protection on-load switch, one end of supporting bracket is connected with backing plate, on backing plate, broad ways is fixed with rotatable rotating shaft by bearing, in rotating shaft, be hinged with the bedplate for firm demand switch, the back-up block when outside of rotating shaft has on-load switch upright on backing plate, fastening bolt and limited post while having on-load switch upright on bedplate, fastening bolt while having on-load switch horizontal positioned in supporting bracket.
6. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 2, is characterized in that: described cable hank assembly has two groups, their be placed in longitudinal both sides of platform trailer upper flat plate; Every group of cable hank assembly comprises three cable hanks and fixes their support, on the disk of cable hank both sides, there is overhanging vertically connecting axle, flexible cable is around on the connecting rod between two disks, connecting axle has bearing and corresponding bearing pedestal outward, and the both sides of bearing pedestal are relevant for connecting axisymmetric connecting hole; There is the fixed head corresponding with bearing pedestal the upper end of support, on fixed head, there are the screw rod corresponding with connecting hole position or through hole, screw rod is through connecting hole, then by corresponding T-shaped nut, be fastenedly connected, or the through hole on bearing pedestal on connecting hole and bracket fixing plate is fixed by latch, the lower end of support and the upper flat plate of described platform trailer are detachably fixing.
7. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 6, is characterized in that: the side of described support is connected with the internal thread sleeve pipe perpendicular to described cable hank, and supporting in internal thread sleeve pipe have a corresponding snap close bolt.
8. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 6, is characterized in that: the inner side of described disk is connected with for placing the cutting ferrule of flexible cable and on-load switch connection end.
9. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 1, it is characterized in that: described platform trailer also comprises the vehicle frame that is connected in described dull and stereotyped downside, two groups of wheels that connect by load-bearing axle before and after the downside of vehicle frame is connected with, front load-bearing axle two ends between two front-wheels are fixed by bearing and vehicle frame, the two ends symmetry of this load-bearing axle is hinged with steering component, place, centre position free drawbar; Steering component comprises that outer end is connected with front-wheel, the inner steering spindle being connected with front load-bearing axle, and the sidewall of steering spindle stretches out joint backward, between the end of joint and the rear end of draw bar, is connected with steering linkage.
10. the electric moving moving platform for 10 KV distribution circuit bypass operations as claimed in claim 9, is characterized in that: on described vehicle frame, be fixed with hydraulic pump and be the storage battery of its power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410059319.1A CN103762520B (en) | 2014-02-21 | 2014-02-21 | Electric mobile platform for bypass work of 10 KV distribution line |
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| CN201410059319.1A CN103762520B (en) | 2014-02-21 | 2014-02-21 | Electric mobile platform for bypass work of 10 KV distribution line |
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| CN103762520A true CN103762520A (en) | 2014-04-30 |
| CN103762520B CN103762520B (en) | 2015-03-11 |
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| CN104377594A (en) * | 2014-11-26 | 2015-02-25 | 国网河南安阳县供电公司 | Blackout connection emergency vehicle |
| CN104377623A (en) * | 2014-11-27 | 2015-02-25 | 国家电网公司 | Vehicle-mouthed overhead cable layout device |
| CN104868398A (en) * | 2015-05-22 | 2015-08-26 | 江苏省电力公司常州供电公司 | 10KV bypass cable overhead laying street crossing apparatus |
| CN105337211A (en) * | 2015-11-20 | 2016-02-17 | 国家电网公司 | Hot-line work operating platform with remote command function |
| CN105645322A (en) * | 2016-02-25 | 2016-06-08 | 国网山东省电力公司章丘市供电公司 | Intelligent lifting platform for electricity maintenance and using method thereof |
| CN106006464A (en) * | 2016-08-03 | 2016-10-12 | 钦州学院 | Platform car based on flexible lifting and handling of ball screws |
| CN106672874A (en) * | 2016-12-23 | 2017-05-17 | 山东方鼎安全玻璃科技有限公司 | Limiting device of lifter |
| CN106711856A (en) * | 2017-02-21 | 2017-05-24 | 国网山东省电力公司电力科学研究院 | Combined type small-size mobile platform for bypass operation |
| CN107500177A (en) * | 2017-10-17 | 2017-12-22 | 安徽安凯汽车股份有限公司 | A kind of fuel heater lift truck |
| CN109412059A (en) * | 2018-12-07 | 2019-03-01 | 国网河南省电力公司南阳供电公司 | A kind of disconnecting switch maintenance training platform |
| CN110033964A (en) * | 2019-05-17 | 2019-07-19 | 徐州海伦哲特种车辆有限公司 | A kind of fixed device of vehicular bypass load-switch and its application method |
| CN112242670A (en) * | 2020-09-04 | 2021-01-19 | 国网山东省电力公司潍坊供电公司 | Temporary contact device for 10kV distribution line bypass operation and construction method |
| CN112421457A (en) * | 2020-11-05 | 2021-02-26 | 河南工业职业技术学院 | Maintenance support device for rail transit electrical cabinet |
| CN112551454A (en) * | 2020-12-11 | 2021-03-26 | 国网辽宁省电力有限公司电力科学研究院 | Bypass operation maintenance method suitable for lifting of cable along with lifting platform in complex terrain |
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| CN104377594A (en) * | 2014-11-26 | 2015-02-25 | 国网河南安阳县供电公司 | Blackout connection emergency vehicle |
| CN104377623A (en) * | 2014-11-27 | 2015-02-25 | 国家电网公司 | Vehicle-mouthed overhead cable layout device |
| CN104868398A (en) * | 2015-05-22 | 2015-08-26 | 江苏省电力公司常州供电公司 | 10KV bypass cable overhead laying street crossing apparatus |
| CN105337211A (en) * | 2015-11-20 | 2016-02-17 | 国家电网公司 | Hot-line work operating platform with remote command function |
| CN105337211B (en) * | 2015-11-20 | 2017-08-25 | 国家电网公司 | A kind of livewire work operating desk for possessing remote command function |
| CN105645322A (en) * | 2016-02-25 | 2016-06-08 | 国网山东省电力公司章丘市供电公司 | Intelligent lifting platform for electricity maintenance and using method thereof |
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| CN106672874A (en) * | 2016-12-23 | 2017-05-17 | 山东方鼎安全玻璃科技有限公司 | Limiting device of lifter |
| CN106711856A (en) * | 2017-02-21 | 2017-05-24 | 国网山东省电力公司电力科学研究院 | Combined type small-size mobile platform for bypass operation |
| CN107500177A (en) * | 2017-10-17 | 2017-12-22 | 安徽安凯汽车股份有限公司 | A kind of fuel heater lift truck |
| CN109412059A (en) * | 2018-12-07 | 2019-03-01 | 国网河南省电力公司南阳供电公司 | A kind of disconnecting switch maintenance training platform |
| CN109412059B (en) * | 2018-12-07 | 2023-02-28 | 国网河南省电力公司南阳供电公司 | Disconnecting switch overhaul training platform |
| CN110033964A (en) * | 2019-05-17 | 2019-07-19 | 徐州海伦哲特种车辆有限公司 | A kind of fixed device of vehicular bypass load-switch and its application method |
| CN110033964B (en) * | 2019-05-17 | 2024-04-26 | 徐州海伦哲特种车辆有限公司 | Vehicle-mounted bypass load switch fixing device and application method thereof |
| CN112242670A (en) * | 2020-09-04 | 2021-01-19 | 国网山东省电力公司潍坊供电公司 | Temporary contact device for 10kV distribution line bypass operation and construction method |
| CN112421457A (en) * | 2020-11-05 | 2021-02-26 | 河南工业职业技术学院 | Maintenance support device for rail transit electrical cabinet |
| CN112551454A (en) * | 2020-12-11 | 2021-03-26 | 国网辽宁省电力有限公司电力科学研究院 | Bypass operation maintenance method suitable for lifting of cable along with lifting platform in complex terrain |
| CN113979351A (en) * | 2021-11-18 | 2022-01-28 | 广东电网有限责任公司广州供电局 | Movable high-voltage distribution box combination device |
| CN114123031A (en) * | 2021-11-25 | 2022-03-01 | 国网安徽省电力有限公司合肥供电公司 | Mobile on-column load switch rapid access method |
| CN114123031B (en) * | 2021-11-25 | 2022-12-02 | 国网安徽省电力有限公司合肥供电公司 | Mobile on-column load switch rapid access method |
| CN115189298A (en) * | 2022-09-09 | 2022-10-14 | 国网浙江慈溪市供电有限公司 | Bypass live-wire work vehicle-mounted robot, method and vehicle |
| CN115189298B (en) * | 2022-09-09 | 2022-12-20 | 国网浙江慈溪市供电有限公司 | Vehicle-mounted robot, method and vehicle for bypass live working |
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